/**
 * Axelor Business Solutions
 *
 * Copyright (C) 2017 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.axelor.apps.account.service.invoice.generator.batch;

import java.lang.invoke.MethodHandles;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.axelor.apps.account.db.Invoice;
import com.axelor.apps.account.db.InvoiceBatch;
import com.axelor.apps.account.db.repo.InvoiceRepository;
import com.axelor.apps.account.service.invoice.InvoiceService;
import com.axelor.inject.Beans;

public abstract class BatchWkf extends BatchStrategy {

	static final Logger LOG = LoggerFactory.getLogger( MethodHandles.lookup().lookupClass() );

	protected BatchWkf(InvoiceService invoiceService) {
		
		super(invoiceService);
		
	}

	/**
	 * Récupérer la liste des factures à traiter.
	 * 
	 * @param invoiceBatch
	 *            Le batch de facturation concerné.
	 * 
	 * @return Une liste de facture.
	 */
	protected static Collection<? extends Invoice> invoices(InvoiceBatch invoiceBatch, boolean isTo) {

		if (invoiceBatch.getOnSelectOk()) { return invoiceBatch.getInvoiceSet(); } 
		else { return invoiceQuery(invoiceBatch, isTo); }

	}

	public static List<? extends Invoice> invoiceQuery(InvoiceBatch invoiceBatch, boolean isTo) {
		
		if ( invoiceBatch != null ){
			
			List<Object> params = new ArrayList<Object>();
			
			String query = "self.company = ?1";
			params.add(invoiceBatch.getCompany());
	
			query += " AND self.statusSelect = ?2";
			if (isTo) { params.add(invoiceBatch.getToStatusSelect()); }
			else { params.add(invoiceBatch.getFromStatusSelect()); }
	
			LOG.debug("Query: {}", query);
			
			return Beans.get(InvoiceRepository.class).all().filter(query, params.toArray()).fetch();
			
		} else { return new ArrayList<Invoice>(); }

	}

}
